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Free on Prime · Ages 18–24

Shows Like
Castle

Finished Castle and need the next one? These drama picks land the same hit — and every one is free for 6 months on Prime for Young Adults (ages 18–24). Here are the best shows like Castle on Prime Video.

6 Picks · Free on Prime Video

Reacher
SERIES · 7.9/10
Reacher
Shares crime DNA with Castle — 6'5" of justice, no car, no phone, no mercy
Air
MOVIE · 7.6/10
Air
If Castle hooked you, this hits the same drama nerve.
The Idea of You
MOVIE · 6.9/10
The Idea of You
Same drama energy as Castle, told from a different angle.
Expats
SERIES · 7.5/10
Expats
For Castle fans who want more drama: Three women
Bosch
SERIES · 8.5/10
Bosch
Cut from the same crime cloth as Castle.
Hunters
SERIES · 7.6/10
Hunters
Scratches the exact crime itch Castle left behind.

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Common Questions

What should I watch after Castle?

Start with Reacher — it shares Castle's drama energy. All picks here stream free on Prime Video for ages 18–24.

Are these shows like Castle free to watch?

Yes — every title is on Prime Video, free for 6 months with Prime for Young Adults. No student email needed.

Where can I watch Castle itself?

On Prime Video. See our full breakdown on the Castle watch page.